WO2016186472A1 - Écouteur comprenant des moyens de mesurage de bio-signal, et système de surveillance de bio-signal le comprenant - Google Patents

Écouteur comprenant des moyens de mesurage de bio-signal, et système de surveillance de bio-signal le comprenant Download PDF

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WO2016186472A1
WO2016186472A1 PCT/KR2016/005375 KR2016005375W WO2016186472A1 WO 2016186472 A1 WO2016186472 A1 WO 2016186472A1 KR 2016005375 W KR2016005375 W KR 2016005375W WO 2016186472 A1 WO2016186472 A1 WO 2016186472A1
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Prior art keywords
earphone
biosignal
sensor unit
signal
unit
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PCT/KR2016/005375
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English (en)
Korean (ko)
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길영준
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주식회사 휴이노
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Publication of WO2016186472A1 publication Critical patent/WO2016186472A1/fr
Priority to US15/393,727 priority Critical patent/US20170105679A1/en
Priority to US17/018,568 priority patent/US20210000419A1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6814—Head
    • A61B5/6815—Ear
    • A61B5/6817—Ear canal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/332—Portable devices specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6814—Head
    • A61B5/6815—Ear
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/06—Arrangements of multiple sensors of different types
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/22—Arrangements of medical sensors with cables or leads; Connectors or couplings specifically adapted for medical sensors
    • A61B2562/225—Connectors or couplings
    • A61B2562/227—Sensors with electrical connectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/0245—Detecting, measuring or recording pulse rate or heart rate by using sensing means generating electric signals, i.e. ECG signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6824—Arm or wrist

Definitions

  • the present invention relates to an earphone including a biosignal measuring means and a biosignal monitoring system including the earphone. More specifically, the earphone and the earphone which can monitor the user's real-time health state by including multiple biological signal measuring means such as electrocardiogram (ECG), photoelectric pulse wave (PPG) and oxygen saturation (SpO 2 ) of the user It relates to a biological signal monitoring system comprising.
  • ECG electrocardiogram
  • PPG photoelectric pulse wave
  • SpO 2 oxygen saturation
  • a picture storage communication system (PACS) has been introduced that can be read immediately after taking a medical image for more than 10 years and then transmitting the image to a monitor screen of a radiologist.
  • PES picture storage communication system
  • ubiquitous health care-related medical devices that can check their blood sugar and blood pressure anytime, anywhere without going to the hospital is spreading, blood glucose patients or hypertensive patients are using it in their homes or offices.
  • a blood pressure measurement sensor is inserted into a pulmonary artery of a patient with chronic heart disease, and the blood pressure is measured in real time, and then transmitted to a doctor through wireless communication.
  • U-Health ubiquitous Healthcare
  • This technology has the advantage of dramatically reducing the number of visits by patients.
  • this technique can measure blood pressure continuously and accurately, but it has disadvantages such as difficulty in procedure, arterial damage and infection because it involves invasive blood pressure measurement method.
  • the patient in order to inform the risk of high blood pressure in a short time so that the patient can receive emergency treatment in a short time, the patient can prevent and manage high blood pressure by not only continuously measuring blood pressure but also reporting the blood pressure measurement result in real time. It was called for the introduction of the technology.
  • the inventors of the present invention with a non-invasive sensor module to measure the signal relating to the electrocardiogram (ECG), the photoelectric volume pulse wave (PPG) and oxygen saturation (SpO 2) the device can be worn on the human body, and the signal Invented a system for monitoring blood pressure in real time by estimating blood pressure levels by processing.
  • ECG electrocardiogram
  • PPG photoelectric volume pulse wave
  • SpO 2 oxygen saturation
  • Specific configurations for estimating blood pressure based on the measured bio signals are described in the specifications of Korean Patent Application No. 2013-116158 and Korean Patent Application No. 2013-116165. It is to be understood that the above specification of Korean patent application is incorporated herein in its entirety.
  • FIG. 1 is a diagram illustrating an embodiment of a blood pressure measuring method based on the present invention and based on the present invention.
  • the blood pressure measuring instrument body shown in FIG. 1 includes a display A, a first electrode B, and a second electrode C.
  • the first electrode (B) for measuring a bio-signal is installed at the rear of the main body (inside surface of the wrist when the wrist is worn), and the bio-signal is measured at the front of the main body (outer surface of the wrist which is not in contact with the wrist).
  • the second electrode C is installed.
  • the first electrode Signals relating to the electrocardiogram (ECG) of the human body of the user may be measured through B) and the second electrode (C).
  • ECG electrocardiogram
  • C the second electrode
  • PPG photo-propagation pulse wave
  • SpO 2 oxygen saturation
  • the multi-bio signals may further include other bio signals.
  • Electrocardiogram is a waveform composed of a vector sum of action potentials generated by a special excitatory & conductive system of the heart.
  • SA node sinoatrial node
  • AV node atrioventricular node
  • Hiss His bundle
  • hiss bunle branch
  • perkinje fibers perkinje fibers
  • an electrocardiogram (ECG) signal can be obtained using a standard limb lead method.
  • Photoplethysmography refers to pulse wave signals measured in peripheral blood vessels when blood ejected during the ventricular systolic phase is delivered to the peripheral blood vessels.
  • Photodedicated pulse wave (PPG) signals can be measured using the optical properties of living tissue. For example, after attaching a PPG sensor module (optical sensor module) capable of measuring pulse wave signals at a position where a peripheral blood vessel is distributed, such as a fingertip or a toe, a blood flow change, which is a volume change of the peripheral blood vessel, is converted into a light quantity change. Can be.
  • Photoelectric pulse wave (PPG) signal may be measured by irradiating the human body with the red light generated from the light emitting unit of the PPG sensor module and then observe the change in the amount of light reflected by the human body received by the light receiving unit.
  • the PPG signal does not use only the PPG signal alone, but analyzes the correlation between the PPG signal and the ECG signal to analyze the pulse transit time (PTT).
  • information such as pulse wave velocity (PWV) may be extracted and used to diagnose cardiovascular disease.
  • PWV pulse wave velocity
  • the present inventors obtain the feature points by second-order differentiation of the photoelectric pulse wave (PPG) signal and extract the pulse wave propagation time (PTT) and the pulse wave propagation speed by measuring the time interval with the peak (R wave) of the ECG signal.
  • the invention has been accomplished by using the (PWV) signal to diagnose blood vessel status, arteriosclerosis, peripheral circulation disorder, and the like.
  • Saturation of peripheral Oxygen is a biosignal that represents the amount of oxygen present in hemoglobin among various components of blood.
  • Oxygen saturation (SpO 2 ) can be measured by sequentially emitting red light and infrared light one cycle at a time to irradiate the peripheral blood vessels of the human body and then observe the change in the amount of light reflected by the human body received by the light receiving unit.
  • the oxygen saturation level SpO 2 may be measured using the PPG sensor module (photo sensor module) described above.
  • the present invention is characterized by modifying various biosignal measurement methods proposed in the inventor's previous patent application as described above to suit the environment in which the earphone is used.
  • Korean Patent Publication No. 10-2010-0001360 name of the invention: a biosignal measuring portable terminal
  • Korean Patent Publication No. 10-2010-0001360 name of the invention: a biosignal measuring portable terminal
  • a biosignal measuring portable terminal is a technology for collecting an ECG signal by attaching a first electrode on one side of the earphone and a second electrode on the upper arm of the user. Is open to the public.
  • An object of the present invention is to enable the user to easily measure their own bio-signals in the environment in which the earphone is in use by including the bio-signal measuring means.
  • an object of the present invention is to avoid the hassle of attaching sensors other than the sensors attached to the earphones to other parts of the body by providing the earphones capable of measuring bio-signals with only the sensors attached to the earphones.
  • an object of the present invention is to provide a bio-signal monitoring system that can store the data measured in real time the bio-signal of the earphone wearer, and can perform a variety of presentation through the data processing.
  • the present invention allows the biosignal monitoring system to include a communication module, so that the biometric signal of the earphone wearer in real time can be transmitted to an external server through the communication module. Accordingly, an object of the present invention is to be able to quickly and accurately cope with an emergency situation in which a problem occurs in the current state of health of the earphone wearer.
  • the earphone according to the present invention includes a first sensor unit disposed around the left earphone voice output unit, a second sensor unit disposed around the right earphone voice output unit, and a living body obtained from the first sensor unit and the second sensor unit. It includes a transmission unit for transmitting a signal to a digital device.
  • the first sensor unit includes a first biosignal electrode
  • the second sensor unit includes a second biosignal electrode.
  • the first biosignal electrode and the second biosignal electrode collect a biosignal including an electrocardiogram.
  • the first biosignal electrode and the second biosignal electrode may collect other biosignals that may be collected in the form of electrodes in addition to the electrocardiogram.
  • the transmitter transmits the bio signals obtained from the first and second sensor units to the digital device
  • a plurality of first time slots and second time slots that are alternately arranged in a time dimension are set, and the first sensor
  • the signal from the negative portion may be configured to be received only in the first time slot 2t, and the signal from the second sensor portion may be received only in the second time slot 2t + 1.
  • any one or both of the first sensor unit and the second sensor unit may include a sensor module for measuring the optical pulse wave (PPG) and oxygen saturation (SpO 2 ), the first sensor unit and the second Any one or both of the sensor unit may include any one or both of the temperature module and the pulse module.
  • PPG optical pulse wave
  • SpO 2 oxygen saturation
  • the earphone according to the present invention may further include a biosignal processing unit, and when the biosignal processing unit is included in the earphone, the biosignal processing unit performs any one or a plurality of functions of amplification, filtering, and an analog / digital converter. .
  • the transmission unit may be configured by wire or wirelessly.
  • the biosignal processing unit may be installed on the earphone line, preferably where the left and right earphone lines meet.
  • the biosignal processor may be installed in a wireless receiver.
  • the earphone according to the present invention may further include a storage unit.
  • the biosignal collected from the first sensor unit and the second sensor unit may be stored in the storage unit, and the biosignal collection time and / or situation may be stored together with the storage unit.
  • the biological signal collection situation may be, for example, atmospheric conditions such as temperature and air pressure at the time of collecting biological signals, geographical conditions such as latitude, longitude, and altitude.
  • it may include ambient noise, video, etc.
  • the storage of the bio-signal collection situation may be selectively performed according to the additional sensor, the input device connected to the earphone, the bio-signal collection situation is limited to those listed above It doesn't happen.
  • the earphone according to the present invention may further include a display unit.
  • the biosignal information stored in the storage unit may be displayed on the display unit according to the earphone wearer's selection or in a predetermined manner.
  • the earphone according to the present invention may further include its own battery.
  • the battery may be charged wirelessly or wired from a power source of the digital device when the earphone is connected to the digital device wirelessly or wired.
  • the biosignal monitoring system including the earphone having the characteristics as described above and a digital device to which the earphone is connected also belongs to the scope of the present invention.
  • Such a system includes an earphone and a digital device connected thereto.
  • the earphone may include a first sensor unit disposed around a left earphone voice output unit, a second sensor unit disposed around a right earphone voice output unit, and digital signals obtained from the first sensor unit and the second sensor unit. It includes a transmission unit for transmitting to the device.
  • the first sensor unit includes a first biosignal electrode
  • the second sensor unit includes a second biosignal electrode.
  • the digital device includes a storage means and a communication means, and stores and maintains the biosignal information transmitted from the earphone in the storage means, and transmits to the external server by the communication means.
  • the first biosignal electrode and the second biosignal electrode collect a biosignal including an electrocardiogram.
  • the transmitter transmits the bio signals obtained from the first and second sensor units to the digital device
  • a plurality of first time slots and second time slots that are alternately arranged in a time dimension are set, and the first sensor
  • the signal from the negative portion may be configured to be received only in the first time slot 2t, and the signal from the second sensor portion may be received only in the second time slot 2t + 1.
  • any one or both of the first sensor unit and the second sensor unit may include a sensor module for measuring the photo-propagation pulse wave (PPG) and oxygen saturation (SpO 2 ), Any one or both of the first sensor unit and the second sensor unit may include any one or both of the body temperature module and the pulse module.
  • PPG photo-propagation pulse wave
  • SpO 2 oxygen saturation
  • the digital device may include a calculation means, in which case the calculation means may measure the measured electrocardiogram (ECG), photoelectric pulse wave (PPG) and oxygen saturation (SpO 2 ) information. Performs the function of calculating the user's blood pressure based.
  • ECG electrocardiogram
  • PPG photoelectric pulse wave
  • SpO 2 oxygen saturation
  • the digital device may include a GPS module.
  • the storage means and the calculation means of the digital device it is determined by itself whether the acquired bio-signal information falls within a preset range, and when determining the emergency situation, the GPS information acquired from the GPS module through the communication means. Can be sent to an external server.
  • the external server uses the communication means. Informing the digital device, the digital device may be configured to feed back a GPS signal to an external server.
  • the present invention can provide the following effects.
  • the biological signal measuring means is included in the earphone, thereby providing an effect that the user can easily measure their own biological signal in the environment in which the earphone is in use.
  • the effect of avoiding the hassle of attaching sensors other than the sensors attached to the earphone to other parts of the body is provided. .
  • the present invention it is possible to store the data in real time measuring the bio-signal of the earphone wearer, and to perform a variety of presentations through the data processing, it is easy to see the change of the bio-signal of the user over time have.
  • the user may provide feedback of the biosignal change over time when the user is performing a workout or a diet over a specific period of time.
  • the bio-signal monitoring system including the earphone and the digital device connected to the earphone includes a communication module, it is possible to transmit the result of monitoring the bio-signal of the earphone wearer in real time to the external server through the communication module. Will be. As a result, an effect of quickly and accurately coping with an emergency situation in which a problem occurs in the current state of health of the earphone wearer is provided.
  • FIG. 1 is a diagram illustrating an embodiment of a blood pressure measuring method based on the present invention.
  • FIG. 2 is a view illustrating a state in which a first electrode and a second electrode for measuring electrocardiogram (ECG) are mounted at edges of a voice output unit of both earphones according to the present invention.
  • ECG electrocardiogram
  • FIG 3 is a view illustrating a state in which sensors for collecting other biosignal information other than an electrode for electrocardiogram (ECG) measurement are mounted at the edge of the voice output unit of the earphone according to the present invention.
  • ECG electrocardiogram
  • FIG. 4 is a diagram illustrating an embodiment in which a module for measuring PPG and SPO2 is configured as a transmissive module when the earphone according to the present invention is a sports earphone having a structure surrounding the ear.
  • FIG. 5 is a diagram illustrating a state in which biosignal information acquired by biosignal sensor units disposed around a voice output unit of an earphone according to the present invention is transmitted through an earphone line.
  • FIG. 6 is a diagram illustrating a biosignal processor that may be mounted on an earphone according to the present invention.
  • FIG. 7 is a diagram illustrating a state in which the ECG signal information collected from the left earphone and the right earphone, respectively, are alternately transmitted according to the present invention.
  • FIG. 8 is a conceptual diagram illustrating a system in which an earphone and a digital device connected to the earphone are provided with a communication module to transmit acquired biosignal information to an external server according to the present invention.
  • FIG. 2 is a diagram illustrating a state in which a first electrode 101 and a second electrode 102 for measuring electrocardiogram (ECG) are mounted at edges of a voice output unit of both earphones 100 according to the present invention.
  • ECG electrocardiogram
  • Both the left earphone and the right earphone include a voice output unit 103.
  • the first electrode 101 and the second electrode 102 are installed at the edge of the voice output unit 103 of the earphone 100.
  • the first electrode 101 is installed in the left earphone, and the second electrode 102 is installed in the right earphone.
  • An important point in relation to the installation of the first electrode 101 and the second electrode 102 is that both the first electrode 101 and the second electrode 102 are inside the ear while the earphone 100 is worn on the user's ear. Must be configured to contact the skin.
  • the first electrode 101 and the second electrode 102 are not limited to the embodiment shown in FIG. 2, and various embodiments, for example, the audio output unit 103 It should be understood that it may also be implemented in a form that is installed on the side of the ear tip surrounding the.
  • the measurement of ECG requires contacting an electrode with at least two different parts of the user's body and receiving an electrical signal input from the electrode.
  • a first electrode is installed on an inner surface of a wrist watch-type device in contact with a wrist when a wrist is worn
  • a second electrode is installed on an outer surface of the wrist that is not in contact with a wrist when a wrist is worn. Has been described in which a part of the body such as his finger is brought into contact with the second electrode.
  • At least two different parts of the user's body are set as the inner skin of the left ear and the skin of the inner ear of the right ear, respectively.
  • FIG. 3 is a view illustrating a state in which sensors for collecting other biosignal information other than electrodes 101 and 102 for measuring ECG are mounted at the edge of the voice output unit 103 of the earphone 100 according to the present invention. It is a figure.
  • the first and second electrodes 101 and 102 are basically disposed on both earphones for measuring ECG.
  • sensors for collecting bio signals that may be measured by a sensor other than an electrode in a portion other than the first electrode 101 and the second electrode 102 are disposed. Is placed.
  • the sensors for collecting the bio-signals may include, for example, a sensor module 104 for measuring the photodedicated pulse wave (PPG) and oxygen saturation (SpO 2 ).
  • PPG photodedicated pulse wave
  • SpO 2 oxygen saturation
  • the sensor module that can measure signals related to PPG and SpO 2 uses a red light source to irradiate red light on the ear of an earphone user and to transmit light reflected or reflected from the ear sensor using an optical sensor. By measuring, the blood flow in the peripheral blood vessels is measured.
  • the reflective measuring module should be used.
  • the photodedicated pulse wave (PPG) and oxygen saturation (SpO 2 ) measurement modules are reflective measurement modules.
  • the reflective measurement module may include a light emitting unit 104-1 including a red LED generating light of about 660 nm wavelength and an infrared LED generating light of about 940 nm wavelength, and including a photo diode and a photo.
  • the light receiving unit 104-2 may include an optical module to which a transistor is attached.
  • earphones having a structure in which a voice output part is inserted in the ear hole and surrounding the outside of the ear
  • earphones having a separate structure surrounding the ear so that the earphone does not fall out of the ear even during intense exercise See Fig. 4
  • the light emitting portion 104-1 is disposed at the edge of the voice output portion 103, and the light receiving portion 104 is placed on the portion surrounding the ear facing the light emitting portion with the skin of the ear centered in the worn state.
  • the transmissive measurement module may be included in the form of -2).
  • the photodedicated pulse wave (PPG) and oxygen saturation (SpO 2 ) measurement modules may be transmissive measurement modules.
  • the transmissive measurement module may include a light emitting part consisting of a red LED generating light of about 660 nm wavelength and an infrared LED generating light of about 940 nm wavelength, and attaching a photo diode and a photo transistor. It may include a light receiving unit consisting of one optical module (optic module).
  • the sensor module 104 for measuring the PPG and SpO 2 does not have to be installed in both the right and left earphones. This is because a signal from at least two different parts of the human body is not necessary to obtain a target biosignal.
  • a sensor module for measuring other biosignals may be further disposed.
  • the sensor module 104 for measuring the optical pulse wave (PPG) and the oxygen saturation (SpO 2 ) is disposed in the left earphone, and the temperature module 105 for measuring the body temperature is disposed in the right earphone.
  • a module for measuring various bio-signals for example, a module for measuring a pulse, may be further disposed at an edge of the voice output unit 103.
  • the earphone 100 includes all the modules for the measurement of electrocardiogram (ECG), photoelectric pulse wave (PPG) and oxygen saturation (SpO 2 ) at the edge of the voice output unit 103, This has the advantage of being able to estimate the user's blood pressure.
  • ECG electrocardiogram
  • PPG photoelectric pulse wave
  • SpO 2 oxygen saturation
  • a feature of the present invention is that the biosignal information is acquired only by the biosignal measuring sensor attached to the earphone, and the effect achieved thereby is clear. In the course of enjoying music naturally, it is possible to measure a biosignal without cumbersome operations such as attaching a sensor for measuring a biosignal to a body.
  • biosignal information is collected from various sensor modules disposed at the edge of the voice output unit 103 of the earphone 100.
  • Various bio-signal information collected by these sensor modules may be provided to the digital device to which the earphone is connected through the earphone line and the 4-pole terminal.
  • the earphone is a wireless earphone, it can be connected to a digital device using a short range communication technology such as Bluetooth or Wifi.
  • a short range communication module for transmitting biosignal information to the digital device is included in the earphone, and the biosignal information acquired from the sensor module is transmitted to the communication module, and the biosignal information is transmitted to the digital device through the communication module.
  • FIG. 6 is a diagram illustrating a biosignal processor that may be mounted on an earphone according to the present invention.
  • Biosignal processing unit performing such a function may include, for example, a signal amplifier, a filter, an analog / digital converter, and the like.
  • the block diagram on the right side of FIG. 6 shows a signal amplifier and a filter except for an analog / digital converter.
  • Such a signal amplifier and a filter may be located at a portion where the left and right output lines of the earphone meet as shown in the left part of FIG. 6.
  • the earphones in which an earphone and a receiver (a receiver receiving a voice output signal from a digital device to which the earphone is connected) are integrally formed, the earphones have a form in which the left and right output wires of the earphones are not directly met.
  • a wireless earphone may be coupled to the receiver and the signal amplifier.
  • the signal amplifier and the filter as described above are not limited to the embodiment in which the left and right output lines of the earphone meet or the embodiment installed in the receiver of the wireless earphone.
  • the signal amplifier and the filter may not be installed in a part of the earphone, but may be installed in a digital device to which the earphone is connected. That is, the signal from the sensor unit located at the edge of the voice output unit 103 of the earphone is not amplified and filtered in the intermediate process transmitted to the digital device, but is amplified and filtered through a signal amplifier and a filter installed inside the digital device. And then analog / digital conversion.
  • the signal amplification and filtering are not performed in the earphone device, but the signal amplification and filtering is performed in the digital device to which the earphone is connected.
  • the first biosignal is obtained from the first electrode 101 formed at the edge of the voice output unit 103 of the earphone, and from the second electrode 102 formed at the edge of the voice output unit 103 of the other earphone.
  • the second biosignal may be obtained, and the first biosignal and the second biosignal obtained may be amplified and filtered, and more specifically, band pass filtering to obtain desired biometric information (eg, band pass filtering).
  • the electrocardiogram signal ECG (t) may be generated.
  • the earphone according to the embodiment of the present invention may include its own storage.
  • the storage unit stores bio signals collected from various sensors including the first electrode 101 and the second electrode 102.
  • the biosignal collection time or the biosignal collection situation or both may be stored together with the storage of the collected biosignal.
  • the biological signal collection situation may be, for example, atmospheric conditions such as temperature and air pressure at the time of collecting biological signals, geographical conditions such as latitude, longitude, and altitude.
  • it may include ambient noise, images, etc.
  • the storage of the bio-signal collection situation may be selectively performed according to the additional sensor, the input device connected to the earphone.
  • the biosignal collection situation is not limited to those listed above.
  • the earphone according to an embodiment of the present invention may further include its own display unit.
  • the biosignal information stored in the storage unit may be displayed on the display unit according to the earphone wearer's selection or in a predetermined manner.
  • the earphone according to an embodiment of the present invention may further include its own battery.
  • earphones do not have a music playback function by themselves, and can only play music until they are connected to a digital device such as an MP3 player or a smartphone.
  • the earphone of the present invention includes various sensor devices having a biosignal collection function at the edge of the voice output unit 103, and means for storing and displaying biosignal information collected therefrom. Since it may include, the function may be independent from the connected digital device, unlike the conventional earphone. For such independent use, the earphone according to the present invention includes its own battery.
  • the biosignal processing unit including the above-described signal amplifier, filter, and / or analog / digital converter is installed in the earphone, and the biosignal collected from various sensors is stored in the storage unit included in the earphone. Before being stored and displayed on the display unit, it is desirable to process the signal in a form suitable for use in storage and digital display. Such a signal processing method will be described in more detail below with reference to FIG. 7.
  • the own battery provided in the earphone is implemented in the form of a rechargeable secondary battery
  • the charging method may be implemented by all wired and wireless means known at the time of filing of the present invention. More specifically, in the case of wireless charging, when wirelessly connected to the digital device, it may be wirelessly charged from a power source of the digital device or may be charged through a wireless charging device separate from the digital device. In the case of wired charging, when wired with a digital device, the wired charge may be charged from a power source of the digital device, or wired charge through various cable connections such as a USB cable connection with a separate power source.
  • FIG. 7 is a diagram illustrating a state in which the ECG signal information collected from the left earphone and the right earphone, respectively, are alternately transmitted according to the present invention.
  • an embodiment of the present invention uses a time-division multiplexing (TDM) technique.
  • TDM time-division multiplexing
  • a plurality of first time slots (2t of FIG. 4) alternately arranged in the time dimension by using a time division technique.
  • a second time slot (2t + 1 in FIG. 4) wherein the first biosignal (Sig in FIG. 7) obtained from the first electrode 101 of the earphone worn on the user's right ear is the first time slot.
  • the first biosignal Sig received through the first time slot 2t and the second biosignal Sig ′ received through the second time slot 2t + 1 may be used.
  • a / D analog-to-digital
  • both the first biosignal Sig and the second biosignal Sig ' can be converted into digital signals, and the first biosignal and the second biosignal converted as described above are converted into digital signals.
  • the completed biosignal can be generated by multiplexing the signal (MUX in FIG. 7).
  • an MCU Micro Controller Unit
  • an MCU Micro Controller Unit having an 8-bit size and a 1024 Hz ADC resolution
  • the right and left earphones may respectively transmit an 8-bit signal.
  • the MCU can implement the continuous processing by processing the bio-signal transmitted from the right earphone at 512Hz in 2t time, and the bio-signal transmitted from the left earphone at 512Hz in 2t + 1 time. .
  • the scope of the present invention is not limited to the embodiment for transmitting the bio-signal through the time division technology described above, various bio-signal information obtained from the left and right sensor unit of the earphone is simultaneously transferred to the digital device without applying the time-division technology Embodiments to be processed are also included within the scope of the present invention.
  • FIG. 8 is a conceptual diagram illustrating a system in which an earphone and a digital device connected to the earphone are provided with a communication module to transmit acquired biosignal information to an external server according to the present invention.
  • the system of the present invention can also be configured to include a communication module.
  • various biosignal information of the driver such as ECG, ECG, PPG, SpO 2 , body temperature, pulse rate, blood pressure, and the like, are stored and managed to perform a server function. Can be.
  • the system according to the present invention may allow the system to recognize the health risks of the earphone wearer based on the detected biosignal information. It can also be sent to an external server to make the external server aware of the health risks of the earphone wearer.
  • the digital device of the system according to the invention may comprise storage and computing means.
  • the system according to the present invention may be configured to determine whether the bio-signal information acquired through the earphone is within the preset alarm generation range. If the specific biosignal information, such as blood pressure information, is found to be excessive hypertension or excessive hypotension outside of a predetermined range, the system according to the present invention may detect the health risk of the earphone wearer through a communication module such as a hospital or an emergency rescue agency. Can be sent to an external server.
  • a communication module such as a hospital or an emergency rescue agency.
  • the system according to the present invention may be configured to transmit the detected biosignal information to an external server through a communication module to allow the external server to recognize a health risk of the earphone wearer.
  • Health risks may be directly determined by any one of the biosignal information, but there may be a case where various trends of the biosignal information should be examined. Rather than performing this multi-angle trend analysis by digital devices themselves, it is possible to store and analyze vast amounts of data, and to conduct precise health analysis by conducting an institution where specialized medical personnel reside. To this end, the system according to the present invention does not determine by itself whether the biosignal information acquired through the earphone falls into a preset alarm generation range, and acquires various acquired biosignal information through an external communication module installed in the system.
  • the system according to the present invention primarily determines whether or not the biosignal information acquired through the earphone falls within a preset range, the biosignal information may be obtained through the communication module mounted in the system only in this case. It is also possible to configure it to send to an external server. This is because when the system according to the present invention is configured to transmit all the biosignal information collected to the external server in real time, it may not only increase the processing load on the external server but also may overload the communication network.
  • the external server receiving the biosignal information of the earphone wearer transmitted by the system according to the present invention may accumulate various trends of the biosignal information in a storage area corresponding to a specific user's ID, Risk factor analysis can be performed or specialists can compare real-time biosignal information with accumulated data.
  • the system according to the present invention can receive a warning signal from the external server through the communication module, which is provided in various ways, for example, in a digital device. It can be operated by visually displaying on the display or audibly alerting sound through earphones.
  • the system receiving the warning signal from the external server collects the current location information from the GPS module included in the digital device and transmits to the external server, such as a hospital server or emergency rescue agency server can more effectively cope with emergencies.

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  • Optics & Photonics (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

Un écouteur selon la présente invention comprend : une première unité de capteur placée autour d'une unité de sortie vocale d'un écouteur gauche ; une seconde unité de capteur placée autour d'une unité de sortie vocale d'un écouteur droit ; et une unité de transmission pour transmettre des bio-signaux acquis à partir de la première unité de capteur et de la seconde unité de capteur, à un dispositif numérique. La première unité de capteur comprend une première électrode de bio-signal, et la second unité de capteur comprend une seconde électrode de bio-signal.
PCT/KR2016/005375 2015-05-20 2016-05-20 Écouteur comprenant des moyens de mesurage de bio-signal, et système de surveillance de bio-signal le comprenant WO2016186472A1 (fr)

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US15/393,727 US20170105679A1 (en) 2015-05-20 2016-12-29 Earphone comprising bio-signal measurement means, and bio-signal monitoring system comprising same
US17/018,568 US20210000419A1 (en) 2015-05-20 2020-09-11 Bio-signal measurement means and bio-signal monitoring system

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KR1020150070249A KR101560287B1 (ko) 2015-05-20 2015-05-20 생체신호 측정 수단을 포함하는 이어폰 및 이러한 이어폰을 포함하는 생체신호 모니터링 시스템

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